Woot! has 10-oz Ember Temperature Control Smart Mug 2 (Factory Reconditioned) on sale for $35.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Thanks to Deal Hunter Navy-Wife for sharing this deal.

Available colors:

About this item:

• Ember Coffee Mug with Longer Lasting Battery: Our updated smart coffee mug’s extended battery life keeps your drink at your preferred temperature (between 120°F – 145°F) maintaining your chosen temperature for up to 1.5 hours with the Ember Mug 2, 10 oz or all day when paired with the included charging coaster.
• Smart With or Without App: Pair this temperature control mug with the Ember app to set the temperature, customize presets and more; Our self-heating coffee mug is also functional without the app and remembers your last-used temperature (135°F out of box)
• Smart LED: LED light at the base of the mug will inform you when your beverage is heating up or cooling off, when it is ready to drink and when your battery needs to be charged. Personalize your mug by changing the LED to your favorite color.
• Auto Sleep: Our heated coffee mug intelligently senses when to turn on and off; The mug enters sleep mode when empty or after 2 hours of inactivity; Ember wakes up when it senses movement or liquid